document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1068296>Question 1068296</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In triangle abc ,angle a=x+20,angle b=2x-20,angle c=3/2x.show that the triangle is equilateral </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #683510 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=683510\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> angles add to 180<BR>\n" );
document.write( "x+20+2x-20+1.5x=180<BR>\n" );
document.write( "4.5x=180=9x/2<BR>\n" );
document.write( "x=180*(2/9)=40<BR>\n" );
document.write( "Angles are 40+20, 80-20, and 40*1.5, and they all equal 60 degrees. </SPAN>\n" );
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